free gold meaning in English

自然金
自由黄金
自由金

Study of cyanide free gold imitation plating on plastic surface
塑料无氰仿金电镀工艺的研究
Go to the gift shop and enter the following button - tap cheat : up , up , down , up , right , left and you ' ll receive free gold
去礼品商店输入下列按键：上、上、下、上、右、左之后你就能得到金币了！
Shenzhen state - owned duty - free gold & gems co . , ltd . is mainly involved in the sales of gems , jade ornaments , platinum products , timepieces , glasses , crafts , gold and silver pearls
国有免税黄金珠宝有限公司主要经营珠宝、玉石首饰、铂金制品、钟表、眼镜、工艺美术品、金银饰品零售等。